From 0ffbf1935c9d091cce22a5583275ac0902f7a693 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Thu, 02 Jul 2026 03:04:51 +0800
Subject: [PATCH] Add Cantonese language model support

---
 privatevoice.src/frontend/src/components/settings/LanguagePage.svelte |   97 ++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 84 insertions(+), 13 deletions(-)

diff --git a/privatevoice.src/frontend/src/components/settings/LanguagePage.svelte b/privatevoice.src/frontend/src/components/settings/LanguagePage.svelte
index 39de74f..f989836 100644
--- a/privatevoice.src/frontend/src/components/settings/LanguagePage.svelte
+++ b/privatevoice.src/frontend/src/components/settings/LanguagePage.svelte
@@ -3,7 +3,7 @@
   import { t, setLocale } from '../../lib/i18n'
   import { languageMode, languageID, effectiveLanguageID, uiLocale } from '../../lib/stores/config'
   import type { UILocale } from '../../lib/stores/config'
-  import { engineStatus, engineHardwareInfo } from '../../lib/stores/app'
+  import { engineStatus } from '../../lib/stores/app'
 
   interface ModelOption {
     modelID: string
@@ -14,6 +14,8 @@
     isDefault: boolean
     downloadSize?: string
     description?: string
+    supportedInBuild?: boolean
+    unsupportedReason?: string
   }
 
   interface LanguageOption {
@@ -34,6 +36,7 @@
   let modelCancellingID = $state('')
   let modelProgress = $state(0)
   let modelError = $state('')
+  let pendingLanguageID = $state('')
 
   const unsub1 = languageMode.subscribe(v => { languageModeVal = v })
   const unsub2 = languageID.subscribe(v => { languageIDVal = v })
@@ -99,21 +102,37 @@
   async function syncEngineForCurrentModel() {
     try {
       const current: any = await Call.ByName('voicesnap/services.EngineService.GetCurrentModelStatus')
-      if (current?.installed) {
-        engineStatus.set('loading')
-      } else {
-        engineHardwareInfo.set('')
-      }
+      if (!current?.installed) return
+      engineStatus.set('loading')
       await Call.ByName('voicesnap/services.EngineService.ReloadCurrentModel')
     } catch {}
   }
 
   async function loadModelOptions() {
+    if (pendingLanguageID) {
+      await loadModelOptionsForLanguage(pendingLanguageID)
+      return
+    }
+    await loadCurrentModelOptions()
+  }
+
+  async function loadCurrentModelOptions() {
     try {
       const options: any = await Call.ByName('voicesnap/services.EngineService.ListModelOptions')
       modelOptions = Array.isArray(options) ? options : []
     } catch {
       modelOptions = []
+    }
+  }
+
+  async function loadModelOptionsForLanguage(selection: string): Promise<ModelOption[]> {
+    try {
+      const options: any = await Call.ByName('voicesnap/services.EngineService.ListModelOptionsForLanguage', selection)
+      modelOptions = Array.isArray(options) ? options : []
+      return modelOptions
+    } catch {
+      modelOptions = []
+      return []
     }
   }
 
@@ -157,6 +176,7 @@
       case 'zipformer-ja-reazonspeech': return t('models.japaneseDesc')
       case 'zipformer-ko': return t('models.koreanDesc')
       case 'qwen3-asr-0.6b': return t('models.qwen3Desc')
+      case 'sensevoice-yue-2025-09-09': return t('models.sensevoiceYueDesc')
       default: return option.description || ''
     }
   }
@@ -168,12 +188,28 @@
   }
 
   function modelTierLabel(option: ModelOption): string {
+    if (!modelSupported(option)) return t('settings.modelUnavailable')
     if (option.isDefault) return t('settings.modelDefault')
     if (option.tier === 'advanced') return t('settings.modelAdvanced')
     return option.tier || ''
   }
 
+  function modelSupported(option: ModelOption): boolean {
+    return option.supportedInBuild !== false
+  }
+
+  function modelUnsupportedText(option: ModelOption): string {
+    if (option.unsupportedReason === 'requires_macos_14') {
+      return t('models.qwen3RequiresMacOS14')
+    }
+    if (option.unsupportedReason === 'windows_preview_unsupported') {
+      return t('models.windowsPreviewUnsupported')
+    }
+    return t('settings.modelUnavailable')
+  }
+
   function modelActionLabel(option: ModelOption): string {
+    if (!modelSupported(option)) return t('settings.modelUnavailable')
     if (modelBusyID === option.modelID) {
       if (modelBusyKind === 'download') {
         return modelCancellingID === option.modelID ? t('settings.modelCancelling') : t('settings.modelCancel')
@@ -187,6 +223,9 @@
 
   function modelMeta(option: ModelOption): string {
     let meta = option.installed ? t('settings.modelInstalled') : t('settings.modelNotInstalled')
+    if (!modelSupported(option)) {
+      return `${meta} · ${modelUnsupportedText(option)}`
+    }
     if (option.downloadSize) {
       meta += ` · ${option.downloadSize}`
     }
@@ -249,7 +288,7 @@
   }
 
   async function onModelAction(option: ModelOption) {
-    if ((option.isCurrent && option.installed) || modelBusyID) return
+    if (!modelSupported(option) || (option.isCurrent && option.installed) || modelBusyID) return
     modelBusyID = option.modelID
     modelBusyKind = option.installed ? 'select' : 'download'
     modelProgress = 0
@@ -257,9 +296,23 @@
     try {
       if (option.installed) {
         engineStatus.set('loading')
-        await Call.ByName('voicesnap/services.EngineService.SelectModel', option.modelID)
+        if (pendingLanguageID) {
+          await Call.ByName('voicesnap/services.EngineService.SelectModelForLanguage', pendingLanguageID, option.modelID)
+          pendingLanguageID = ''
+          const settings: any = await Call.ByName('voicesnap/services.ConfigService.GetLanguageSettings')
+          applyLanguageSettings(settings)
+        } else {
+          await Call.ByName('voicesnap/services.EngineService.SelectModel', option.modelID)
+        }
       } else {
-        await Call.ByName('voicesnap/services.EngineService.DownloadModelByID', option.modelID)
+        if (pendingLanguageID) {
+          await Call.ByName('voicesnap/services.EngineService.DownloadModelByIDForLanguage', pendingLanguageID, option.modelID)
+          pendingLanguageID = ''
+          const settings: any = await Call.ByName('voicesnap/services.ConfigService.GetLanguageSettings')
+          applyLanguageSettings(settings)
+        } else {
+          await Call.ByName('voicesnap/services.EngineService.DownloadModelByID', option.modelID)
+        }
         engineStatus.set('loading')
       }
       await loadModelOptions()
@@ -286,16 +339,28 @@
   async function onLanguageChange(selection: string) {
     const prevMode = languageModeVal
     const prevID = languageIDVal
+    const prevEffectiveID = effectiveLanguageIDVal
+    const prevPendingID = pendingLanguageID
     if (selection === 'auto') {
+      pendingLanguageID = ''
       languageModeVal = 'auto'
       languageMode.set('auto')
     } else {
       languageModeVal = 'manual'
       languageIDVal = selection
-      languageMode.set('manual')
-      languageID.set(selection)
     }
     try {
+      if (selection !== 'auto') {
+        const options = await loadModelOptionsForLanguage(selection)
+        const defaultInstalled = options.some(option => option.isDefault && option.installed)
+        if (!defaultInstalled) {
+          pendingLanguageID = selection
+          effectiveLanguageIDVal = selection
+          await syncModelDownloadStatus()
+          return
+        }
+      }
+      pendingLanguageID = ''
       const settings: any = selection === 'auto'
         ? await Call.ByName('voicesnap/services.ConfigService.SetLanguageAuto')
         : await Call.ByName('voicesnap/services.ConfigService.SetLanguageManual', selection)
@@ -306,6 +371,8 @@
     } catch {
       languageModeVal = prevMode
       languageIDVal = prevID
+      effectiveLanguageIDVal = prevEffectiveID
+      pendingLanguageID = prevPendingID
       languageMode.set(prevMode)
       languageID.set(prevID)
     }
@@ -359,7 +426,7 @@
 
     <div class="model-list">
       {#each modelOptions as option}
-        <div class="model-card" class:current={option.isCurrent}>
+        <div class="model-card" class:current={option.isCurrent} class:unsupported={!modelSupported(option)}>
           <div class="model-main">
             <div class="model-title-row">
               <span class="model-title">{option.displayName}</span>
@@ -376,7 +443,7 @@
             <button
               class="model-action primary"
               class:cancel={canCancelModel(option)}
-              disabled={!!modelBusyID && modelBusyID !== option.modelID}
+              disabled={!modelSupported(option) || (!!modelBusyID && modelBusyID !== option.modelID)}
               onclick={() => onModelButton(option)}
             >
               {modelActionLabel(option)}
@@ -502,6 +569,10 @@
     background: rgba(0, 122, 255, 0.055);
   }
 
+  .model-card.unsupported {
+    opacity: 0.76;
+  }
+
   .model-card.current::before {
     content: '';
     position: absolute;

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